Mc78m12abdtrk

Updated September 20, 2026

Overview

Product sourcing insights & recommendations

20 来源

The MC78M12ABDTRK (current active version MC78M12ABDTRKG) is a high-accuracy, extended-temperature 500mA positive voltage regulator manufactured by onsemi Onsemi. It is a mature, widely used component in power management for industrial, automotive, and consumer electronics.

Product Specifications & Technical Profile

* Core Function: Fixed 12V output linear regulator with 500mA max current capacity Digi-Electronics Onsemi.

* Performance Markers:

* High Accuracy: The "A" suffix denotes ±2.0% output voltage accuracy Onsemi.

* Industrial Grade: The "B" suffix signifies an extended operating temperature range of -40°C to +125°C Onsemi.

* Packaging: Housed in a DPAK (TO-252) surface-mount package, optimized for space-constrained boards with adequate heat sinking Oemstron Digikey.

* Protection: Includes internal thermal overload protection and short-circuit current limiting Onsemi.

Market Trends & Availability (2026 Insights)

* Lifecycle Status: The component remains Active and is considered a "legacy-plus" part—meaning while newer switching regulators exist, its reliability and low noise keep demand steady Onsemi Lovechip.

* Pricing Trends: In the wholesale market, units typically trade between $0.12 and $0.20 depending on volume. For example, similar variants are listed at $0.125 for reels of 2,500 units Futureelectronics.

* Inventory Context: Stock levels are generally healthy across major distributors like DigiKey and regional specialized IC suppliers in Shenzhen Digikey. Lead times are currently stable, with most verified suppliers offering dispatch within 3 days Us-Chip.

Sourcing Recommendations

Several verified suppliers specialize in sourcing the MC78M12 series and can provide BOM (Bill of Materials) fulfillment:

* Shenzhen Kechengfeng Electronics Co., Ltd.: A verified supplier with a 98.4% delivery rate that explicitly stocks the MC78M12ABDTRKG Alibaba Alibaba.

* Shenzhen MINCONDA Technology Co., Ltd.: Recognized as a top supplier for Power Management (PMIC) inquiries Alibaba Alibaba.

Based on these market insights, here are your next steps:

Sources & References

20 sources cited · Verified industry data & reports

MC78M12ABDTRK onsemi | Voltage Regulators

DigiKey Greece

Exact specifications should be obtained from the product data sheet. Linear Voltage Regulator IC Positive Fixed 1 Output 500mA DPAK. What is a Voltage ...

MC78M12ABDTRK onsemi | Datasheet PDF

DiGi Electronics

The MC78M12ABDTRK is a linear voltage regulator IC manufactured by onsemi that provides a fixed 12V output with a maximum current capacity of 500mA.

MC78M12ABDTRK Datasheet(PDF) - ON Semiconductor

ALLDATASHEET.COM

Description: 500 mA Positive Voltage Regulators. Maximum output current, with adequate heatsinking is 500 mA. Available for 5.0 V, 8.0 V, 12 V and 15 V

MC78M00 - 500 mA Positive Voltage Regulators

onsemi

The MC78M00/MC78M00A Series positive voltage regulators. Maximum output current, with adequate heatsinking is 500 mA. Available for 5.0 V, 8.0 V, 12 V and 15 V

MC78M12ABDTRK ON Semiconductor

OEMstron

MC78M12ABDTRK Specifications ; Output Type, Fixed ; Number of Regulators, 1 ; Voltage - Input (Max), 35V ; Voltage - Output (Min/Fixed), 12V ; Voltage - Output (Max) ...

MC78M12ABDTRK onsemi - Power Management ICs - In Stock

LoveChip

The onsemi MC78M12ABDTRK belongs to the Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ...